Table 1.

GTPase activity of PaFtsZ in the absence of or in the presence of ZipA or ZapA in MMK and HMK buffer.

Samples	HMK buffer (pH 7.5)a		MMK buffer (pH 6.5)b
	GTPase activity (GTP min-1 FtsZ-1)	Cc (µM)	GTPase activity (GTP min-1 FtsZ-1)	Cc (µM)
PaFtsZ	7.8 ± 0.2	1.3 ± 0.2	5.2 ± 0.2	0.8 ± 0.2
PaFtsZ + 5 µM PaZipA	6.9 ± 0.5	0.8 ± 0.4	4.1 ± 0.4	1.0 ± 0.4
PaFtsZ + 10 µM PaZipA	6.5 ± 0.1	1.0 ± 0.1	3.2 ± 0.1	1.4 ± 0.2
PaFtsZ + 5 µM PaZapA	6.7 ± 0.2	0.8 ± 0.2	5.0 ± 0.4	0.7 ± 0.4
PaFtsZ + 10 µM PaZapA	6.5 ± 0.4	0.8 ± 0.3	5.9 ± 0.4	1.2 ± 0.3

Cc critical concentration.

^aHMK buffer: 50 mM HEPES, 100 mM KAc, 5 mM MgAc, pH 7.5.

^bMMK buffer: 50 mM MES, 100 mM KAc, 5 mM MgAc, pH 6.5.